Listed as a CPA in IRS public preparer records. Source: IRS PTIN FOIA extract (Feb 2026), retrieved October 23, 2026. https://www.irs.gov/pub/foia/foia-illinois-extract.csv No state license number is on file. Specialties are blank until this preparer claims the listing. CPA Seek does not contact preparers.

Kenneth J Kolnicki

CPA · Kolnicki Peterson Wirth LLC

Downers Grove, Illinois 60515

Kenneth J Kolnicki, CPA in Downers Grove, IL

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Kenneth J Kolnicki, CPA in Downers Grove · CPA Seek